Dialing plan service including outgoing call screening, remote tie-line routing, call data reporting and billing
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United States of America Patent
Stats
-
Dec 3, 2002
Grant Date -
Sep 26, 2002
app pub date -
Jan 17, 2001
filing date -
Jan 17, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method and system include screening and routing telephone calls, generating calling data reports and discounting billing for a customer's wide area centrex/PBX network, which includes an abbreviated dialing plan. A service control point (SCP) determines whether to block an outgoing call based on stored blocking tables and a privilege class of the calling station. The SCP determines whether to route the call through a private trunk group from a host switch to a private facility, and through an alternative trunk group when the private trunk group is unavailable. The SCP determines whether the call is eligible for discounted billing and generates a billing record, which is modified by a service switching point to indicate the discount. The SCP also samples calling data from service switching points and transmits the sampled data to a front end processor for formatting into station message detail recording (SMDR) data.
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